LAMELLICORN BEETLES (COLEOPTERA: SCARABAEOIDEA) OF KURIL ISLANDS (SAKHALIN REGION, RUSSIA): TAXONOMICAL STRUCTURE, FAUNA, ECOLOGY AND ZOOGEOGRAPHY

Lamellicorn beetles (Coleoptera: Scarabaeoidea) of Kuril Islands (Sakhalin Region, Russia): taxonomical structure, fauna, ecology and zoogeography

Taxonomical structure and species composition of the Scarabaeoidea fauna of the Kuril Islands are analized.As a whole on the Kuril Archipelago 72 species of Scarabaeoidea from 31 genera VANILLA WAFER of 15 tribes, 13 subfamilies and 4 families are revealed.Trox scaber (Linnaeus, 1767), Aegialia comis (Lewis, 1895), Aphodius languidulus Schmidt, 191

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Multi-objective Optimization Design of Wet Friction Clutches

The drag torque of the wet clutch affects the efficiency of the transmission, and the engagement torque of the clutch affects the reliability of the transmission.However, reducing the drag torque and increasing the engagement torque are generally contradictory.This study takes the wet friction clutch as the research object, and takes the inner diam

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